Event between (579246) 14OX415 and star GA0780:09856056 with event index number of 2558840
Geocentric closest approach at 2028/07/17 13:21:40 UTC
J2000 position of star is 18:11:26.6 -11:01:31
Equinox of date position of star is 18:12:40.4 -11:01:07
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=22.4
TNO is 28.7 AU from the Sun
and 27.8 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 451 seconds.
The 1-sigma cross-track error in the shadow position is
4111 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=162.2 km assuming a 5% albedo -- 7.6 sec chord
Diameter=66.2 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
Star training set for 579246, (2028/07/17 13:22UT) Object RA Dec mag sep mel Antares 16:31:09.8 -26:29:34 0.9 28.55 167 35Eta Oph 17:12:01.0 -15:45:30 2.6 15.57 156 PPM 234113 18:11:20.6 -13:55:38 6.4 2.94 142 PPM 234156 18:13:03.4 -11:18:04 7.6 0.28 140 PPM 234147 18:12:39.2 -11:05:28 9.9 0.12 140 579246 18:13:01.8 -11:01:00 16.4 140 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 579246, (2028/07/17 13:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.55 167 35Eta Oph 17:10:22.7 -15:43:29 2.6 15.57 156 PPM 234113 18:09:43.4 -13:56:04 6.4 2.94 142 PPM 234156 18:11:28.0 -11:18:34 7.6 0.28 140 PPM 234147 18:11:04.0 -11:05:57 9.9 0.12 140 579246 18:11:26.6 -11:01:31 16.4 140 Positions are for J2000
Event circumstances last updated at 2022/02/15 01:11:57 UT
Marc W. Buie, Southwest Research Institute